search
Log In
UGC NET June 2012 Paper 3 Questions and Solutions for Computer Science

Recent questions tagged ugcnetjune2012iii

2 votes
1 answer
1
Halftoning is defined as A technique to obtain increased visual resolution using multiple intensity levels A technique for using minimum number of intensity levels to obtain increased visual resolution A technique to obtain increased visual resolution using maximum number of intensity levels A technique for using appropriate number intensity levels to obtain increased visual resolution
asked Jul 8, 2016 in Computer Graphics jothee 1.6k views
4 votes
4 answers
2
On a disk with 1000 cylinders (0 to 999) find the number of tracks, the disk arm must move to satisfy all the requests in the disk queue. Assume the last request service was at track 345 and the head is moving toward track 0. The queue in FIFO order contains requests for the following tracks: 123, 874, 692, 475, 105, 376 (Assume scan algorithm) 2013 1219 1967 1507
asked Jul 8, 2016 in Operating System jothee 4.6k views
2 votes
2 answers
3
In which file the compiler manage various objects, which are used in windows programming? Control File Binary File Text File Obj File
asked Jul 8, 2016 in Compiler Design jothee 632 views
3 votes
3 answers
4
G1 and G2 are two graphs as shown: Both G1 and G2 are planar graphs Both G1 and G2 are not planar graphs G1 is planar and G2 is not planar G1 is not planar and G2 is planar
asked Jul 8, 2016 in Graph Theory jothee 1.6k views
4 votes
2 answers
5
Which one of the following is not a shell in UNIX system? Bourne Shell C Shell Not Shell Korn Shell
asked Jul 8, 2016 in Others jothee 439 views
2 votes
1 answer
6
Assume that we have constructor functions for both base class and derived class. Now consider the declaration in main() Base *P=New Derived; In what sequence will the constructor be called? Derived class constructor followed by Base class constructor Base class constructor followed by Derived class constructor Base class constructor will not be called Derived class constructor will not be called
asked Jul 8, 2016 in Object Oriented Programming jothee 1.2k views
3 votes
1 answer
7
What is the meaning of ‘Hibernate’ in WindowsXP/Windows 7? Restart the computers in safe mode Restart the computers in normal mode Shutdown the computer terminating all the running applications Shutdown the computer without closing the running applications
asked Jul 8, 2016 in Others jothee 909 views
3 votes
1 answer
8
HTML is defined using SGML – an _____ standard, information processing-text and office systems (SGML) for text information processing. ISO-8878 ISO-8879 ISO-8880 ISO-8881
asked Jul 8, 2016 in Web Technologies jothee 511 views
4 votes
1 answer
9
Let a*H and b*H be two cosets of H. Either a*H and b*H are disjoint a*H and b*H are identical Then, Only I is true Only II is true I or II is true I and II is false
asked Jul 8, 2016 in Discrete Mathematics jothee 649 views
2 votes
2 answers
10
If the period of a signal is 1000 ms, then what is its frequency in kiliohertz? $10^{-3}$ KHz $10^{-2}$ KHz $10^{-1}$ KHz 1 KHz
asked Jul 8, 2016 in Computer Networks jothee 2.3k views
1 vote
1 answer
11
Consider the methods used by processes $P_1$ and $P_2$ for accessing their critical sections. The initial values of shared Boolean variables $S_1$ and $S_2$ are randomly assigned, $P_1$ while ($S_1$==$S_2$); critical section $S_1$ ... properties achieved? Mutual exclusion but not progress Progress but not mutual exclusion Neither mutual exclusion nor progress Both mutual exclusion and progress
asked Jul 8, 2016 in Operating System jothee 745 views
1 vote
1 answer
12
Match the following with link quality measurement and handoff initiation: (a) Networked-Controlled Handoff (NCHO) (i) MS connect to BS (b) Mobile-Assisted Handoff (MAHO) (ii) process via channel target the BS (c) Forward Handoff (iii) First generation analog cellular system (d) Hard Handoff (iv) Second ... )} \\ \text{D} & \text{(iv)} & \text{(iii)} & \text{(i)} & \text{(ii)} \end{array}
asked Jul 7, 2016 in Computer Networks jothee 680 views
2 votes
1 answer
13
If a and b are the end points of a line, then which of the following is true? If both end points are left, right, above or below the window, the line is invisible. If both end points are left, right, above or below the window, the line is completely ... or below the window, the line is trivially visible If both end points are left, right, above or below the window, the line is trivially invisible
asked Jul 7, 2016 in Computer Graphics jothee 1.2k views
2 votes
3 answers
14
The optimal solution of the following assignment problem using Hungarian method is I II III IV A 8 26 17 11 B 13 28 4 26 C 38 19 18 15 D 19 26 24 10 ... A B C D A I II III IV B I III II IV C I III IV II D I IV II III
asked Jul 7, 2016 in IS&Software Engineering jothee 1.8k views
1 vote
1 answer
15
The perspective projection matrix, on the view plan z=d where the centre of projection is the origin (0, 0, 0) shall be $\begin{bmatrix} 0 & 0 & 0 & d \\ 0 & 0 & d & 0 \\ 0 & d & 0 & 0 \\ d & 0 & 0 & 1 \end{bmatrix}$ ... $\begin{bmatrix} d & 0 & 0 & 0 \\ 0 & d & 0 & 0 \\ 0 & 0 & d & 0 \\ 0 & 0 & 0 & 1 \end{bmatrix}$
asked Jul 7, 2016 in Computer Graphics jothee 1.6k views
2 votes
2 answers
16
____ is sometimes said to be object oriented, because the only way to manipulate kernel objects is by invoking methods on their handles. Windows NT Windows XP Windows VISTA Windows 95/98
asked Jul 7, 2016 in Operating System jothee 783 views
2 votes
1 answer
17
Match the following with respect to java.util.* class methods: (a) Bit Set (i) Time zone getTimezone() (b) Calendar (ii) int hashcode() (c) Time zone (iii) int nextInt() (d) Random (iv) Void SetID(String tzName) ... (d) A (ii) (i) (iv) (iii) B (iii) (iv) (i) (ii) C (iv) (iii) (ii) (i) D (ii) (i) (iii) (iv)
asked Jul 7, 2016 in Programming jothee 601 views
2 votes
1 answer
18
What is the size (in terms of bits) of Header length field in IPV4 header? 2 4 8 16
asked Jul 7, 2016 in Computer Networks jothee 878 views
4 votes
2 answers
19
Consider the below circuit and find the output function f(x, y, z) $x \bar{z} + xy + \bar{y}z$ $x \bar{z} + xy + \bar{y} \bar{z}$ $xz + xy + \bar{y} \bar{z}$ $xz + x \bar{y} + \bar{y}z$
asked Jul 7, 2016 in Digital Logic jothee 1.9k views
2 votes
2 answers
20
Match the following: (i) Regular grammar (a) Pushdown automaton (ii) Context free grammar (b) Linear bounded automaton (iii) Unrestricted grammar (c) Deterministic finite automaton (iv) Context sensitive grammar (d) Turing machine \begin{array} {|l||l|l|l|}\hline\text{(i)}& \text{Regular grammer} & \text{(a) ... {(a)} &\text{(d)}\\\text{D} & \text{(c)}&\text{(b)} &\text{(d)}&\text{(a)} \end{array}
asked Jul 7, 2016 in Theory of Computation jothee 893 views
2 votes
1 answer
21
The strategy used to reduce the number of tree branches and the number of static evaluations applied in case of a game tree is Minmax strategy Alpha-beta pruning strategy Constraint satisfaction strategy Static max strategy
asked Jul 7, 2016 in Algorithms jothee 1.2k views
3 votes
3 answers
22
How many relations are there on a set with n elements that are symmetric and a set with n elements that are reflexive and symmetric? $2^{n(n+1)/2} \text{ and } 2^n.3^{n(n-1)/2}$ $3^{n(n-1)/2} \text{ and } 2^{n(n-1)}$ $2^{n(n+1)/2} \text{ and } 3^{n(n-1)/2}$ $2^{n(n+1)/2} \text{ and } 2^{n(n-1)/2}$
asked Jul 7, 2016 in Discrete Mathematics jothee 906 views
3 votes
1 answer
23
In any simplex table, if corresponding to any negative $\Delta$ j, all elements of the column are negative or zero, the solution under the test is degenerate solution unbounded solution alternative solution non-existing solution
asked Jul 7, 2016 in IS&Software Engineering jothee 1.1k views
2 votes
1 answer
24
The colour of an object is largely determined by its diffuse reflection coefficient. If $K_d = (0.8, 0.4, 0)$, then what shall be the colour of the object, of the light used is blue and magenta? White and Red Red and Blue Black and White Black and Red
asked Jul 7, 2016 in Others jothee 1.7k views
2 votes
1 answer
25
The feasible region represented by the constraints $x_1 - x_2 \leq 1, x_1 + x_2 \geq 3, x_1 \geq 0, x_2 \geq 0$ of the objective function Max $Z=3x_1 + 2x_2$ is A polygon Unbounded feasible region A point None of these
asked Jul 7, 2016 in Optimization jothee 1.2k views
1 vote
1 answer
26
Which diagram provides a formal graphic notation for modelling objects, classes and their relationships to one another? Object diagram Class diagram Instance diagram Analysis diagram
asked Jul 7, 2016 in Others jothee 1.3k views
3 votes
1 answer
27
The regular expression for the following DFA ab*(b+aa*b)* a*b(b+aa*b)* a*b(b*+aa*b) a*b(b+aa*b)*
asked Jul 7, 2016 in Theory of Computation jothee 1.4k views
2 votes
1 answer
28
Which of the following binary tree is optimal, if probabilities of successful search and unsuccessful search are same?
asked Jul 7, 2016 in Others jothee 1k views
2 votes
2 answers
29
Which layer of OSI reference model uses the ICMP (Internet Control Message Protocol)? Transport layer Data link layer Network layer Application layer
asked Jul 7, 2016 in Computer Networks jothee 924 views
1 vote
2 answers
30
The following CFG $S \rightarrow aB \mid bA, A \rightarrow a \mid as \mid bAA, B \rightarrow b \mid bs \mid aBB$ generates strings of terminals that have odd number of a’s and odd number of b’s even number of a’s and even number of b’s equal number of a’s and b’s not equal number of a’s and b’s
asked Jul 7, 2016 in Theory of Computation jothee 1.2k views
...